silviculture vs forestry

silviculture and forestry both are nouns.

Word	Noun	Adjective	Verb	Adverb
silviculture	Yes	No	No	No
forestry	Yes	No	No	No

As nouns, forestry is a hypernym of silviculture; that is, forestry is a word with a broader meaning than silviculture:

silviculture: the branch of forestry dealing with the development and care of forests
forestry: the science of planting and caring for forests and the management of growing timber

silviculture (noun)	forestry (noun)
the branch of forestry dealing with the development and care of forests	the science of planting and caring for forests and the management of growing timber